This is a nice copy of Between Silk and Cyanide: A Codemaker’s War 1941-1945 by Leo Marks and published by Harper Collins in 1999 1st edition on paperback. It is in very good condition. There are no markings on the inside and is nice and tight. Please see photos for further information. Please drop me a line if you like any more information on this title. I also have other items listed on EBay. Very happy to combine postage. This book will be sent by proof of postage Evri recorded post. If you are buying from Northern Ireland, the Highlands and Islands of Scotland, the Channel Islands, or Isle of Man / Wight please contact me first about postage rates, as there may be a postage surcharge.